a {
    text-decoration: none;
}

html {
    font-size: 50px;
}

// 定义划分的份数为15
@num: 15;
@media screen and (min-width: 320px) {
    html {
        font-size: (320px/@num);
    }
}

@media screen and (min-width: 360px) {
    html {
        font-size: (360px/@num);
    }
}

@media screen and (min-width: 375px) {
    html {
        font-size: (375px/@num);
    }
}

@media screen and (min-width: 384px) {
    html {
        font-size: (384px/@num);
    }
}

@media screen and (min-width: 400px) {
    html {
        font-size: (400px/@num);
    }
}

@media screen and (min-width: 414px) {
    html {
        font-size: (414px/@num);
    }
}

@media screen and (min-width: 424px) {
    html {
        font-size: (424px/@num);
    }
}

@media screen and (min-width: 480px) {
    html {
        font-size: (480px/@num);
    }
}


@media screen and (min-width: 540px) {
    html {
        font-size: (540px/@num);
    }
}

@media screen and (min-width: 720px) {
    html {
        font-size: (720px/@num);
    }
}

@media screen and (min-width: 750px) {
    html {
        font-size: (750px/@num);
    }
}